The shape of the tracked universe
As of 9 September 2026, the Headmars universe spans 2,264 companies across eight sectors. Before any price moves, composition is the first thing worth understanding — it tells you where the platform's attention (and, indirectly, an investor's opportunity set) is concentrated.
By company count, the ranking is clear:
| Sector | Companies | Share |
|---|---|---|
| Technology | 609 | ~27% |
| Industrials | 434 | ~19% |
| Healthcare | 374 | ~17% |
| Basic Materials | 320 | ~14% |
| Consumer Cyclical | 165 | ~7% |
| Financials | 137 | ~6% |
| Energy | 136 | ~6% |
| Communication Services | 89 | ~4% |
Those top four sectors alone make up roughly 77% of everything tracked.
Familiar anchors, global reach
The sample names read like a global index rather than a US-only list. Technology is anchored by Apple, Microsoft, NVIDIA, AMD, Salesforce and Intel. Financials leans on Berkshire Hathaway, JPMorgan, Visa and Mastercard. Communication Services is a small but heavyweight bucket — Alphabet, Meta, Netflix, Disney and Tencent.
Beyond the mega-caps, the book runs deep and international: Xiamen Solex and Arch Meter in Industrials, Reliance Industries and Shell in Energy, plus a long tail of Chinese, Taiwanese, Korean and Hong Kong listings. It is a genuinely diversified opportunity set, not a US large-cap mirror.
A caveat on the market-cap totals
Honesty matters more than a tidy narrative. The aggregate market-cap figures in this dataset do not line up with the count picture or with reality, so I won't build conclusions on them. Financials totals about $159T and Energy about $107T — each dwarfing Technology's $23T, despite Technology holding both the most names and the largest individual companies. Meanwhile Consumer Cyclical, which contains Amazon, Tesla and Alibaba, sums to just ~$0.58T.
Those relationships are not plausible. They are almost certainly distorted by duplicate cross-listings, mixed reporting currencies, or unit errors. Treat the sector market-cap totals as a data-quality flag, not a signal — the reliable composition story here is the company counts.
What an investor might watch
- Tech concentration. With more than a quarter of the universe in Technology, sentiment in a handful of semis and software names propagates widely. Breadth cuts both ways.
- Industrials breadth. This bucket mixes shipping (ZIM), automation (Honeywell, nVent) and speculative eVTOL (Archer) — very different risk profiles under one label.
- Materials and energy tail risk. Many names here are small-cap miners and explorers (Galantas Gold, Novo Resources, Argentina Lithium, Obsidian Energy), which tend toward higher volatility and thinner liquidity.
- Cross-listing hygiene. Tesla, Alphabet, Novo and others appear under multiple tickers. Anyone aggregating exposure should de-duplicate first — the same distortion likely inflating the cap totals can quietly double-count a position.